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GB2495198B - Optical imaging system and method, and aperture stop assembly and aperture element - Google Patents

Optical imaging system and method, and aperture stop assembly and aperture element

Info

Publication number
GB2495198B
GB2495198B GB1216954.6A GB201216954A GB2495198B GB 2495198 B GB2495198 B GB 2495198B GB 201216954 A GB201216954 A GB 201216954A GB 2495198 B GB2495198 B GB 2495198B
Authority
GB
United Kingdom
Prior art keywords
aperture
imaging system
optical imaging
stop assembly
aperture stop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
GB1216954.6A
Other versions
GB201216954D0 (en
GB2495198A (en
Inventor
Jie Han
Kevin George Harding
Guiju Song
Li Tao
Zirong Zhai
Dongmin Yang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Priority to GB1318900.6A priority Critical patent/GB2508972B/en
Publication of GB201216954D0 publication Critical patent/GB201216954D0/en
Publication of GB2495198A publication Critical patent/GB2495198A/en
Application granted granted Critical
Publication of GB2495198B publication Critical patent/GB2495198B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/283—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising used for beam splitting or combining
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00163—Optical arrangements
    • A61B1/00186—Optical arrangements with imaging filters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
    • A61B1/045—Control thereof
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/21—Polarisation-affecting properties
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/28—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising
    • G02B27/286—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for polarising for controlling or changing the state of polarisation, e.g. transforming one polarisation state into another
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
    • A61B2560/02—Operational features
    • A61B2560/0223—Operational features of calibration, e.g. protocols for calibrating sensors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Surgery (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Microscoopes, Condenser (AREA)
  • Polarising Elements (AREA)
  • Blocking Light For Cameras (AREA)
  • Studio Devices (AREA)
GB1216954.6A 2011-09-29 2012-09-24 Optical imaging system and method, and aperture stop assembly and aperture element Expired - Fee Related GB2495198B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1318900.6A GB2508972B (en) 2011-09-29 2012-09-24 Aperture stop assembly and aperture element for an optical imaging system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201110293452.XA CN103033942B (en) 2011-09-29 2011-09-29 Optical imaging system and method and aperture diaphragm assembly and aperture element

Publications (3)

Publication Number Publication Date
GB201216954D0 GB201216954D0 (en) 2012-11-07
GB2495198A GB2495198A (en) 2013-04-03
GB2495198B true GB2495198B (en) 2015-07-08

Family

ID=47190447

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1216954.6A Expired - Fee Related GB2495198B (en) 2011-09-29 2012-09-24 Optical imaging system and method, and aperture stop assembly and aperture element

Country Status (5)

Country Link
US (1) US9069181B2 (en)
CN (1) CN103033942B (en)
CA (1) CA2791275A1 (en)
DE (1) DE102012109278A1 (en)
GB (1) GB2495198B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6479035B2 (en) 2014-03-04 2019-03-06 ノバダック テクノロジーズ ユーエルシー Spatial and spectral filtering apertures and optical imaging systems including the same
CA2941273C (en) 2014-03-04 2019-10-01 Novadaq Technologies Inc. Relay lens system for broadband imaging
US10591870B2 (en) 2014-05-01 2020-03-17 Celloptic, Inc. Birefringent lens interferometer for use in microscopy and other applications
JP6304792B2 (en) * 2014-05-01 2018-04-04 セルオプティック、インコーポレイテッドＣｅｌｌｏｐｔｉｃ， Ｉｎｃ． System, apparatus and method for using a birefringent lens to generate a hologram from received electromagnetic radiation
CN105446049B (en) * 2014-09-02 2019-04-16 深圳超多维科技有限公司 Imaging device and imaging method
DE102015201561A1 (en) 2015-01-29 2016-08-04 Rolls-Royce Deutschland Ltd & Co Kg Measuring head of an endoscopic device and method for inspecting and measuring an object
WO2017008159A1 (en) * 2015-07-14 2017-01-19 Synergx Technologies Inc. Optical inspection system for transparent material
AU2016314795A1 (en) 2015-08-31 2018-03-22 Novadaq Technologies Inc. Polarization dependent filter, system using the same, and associated kits and methods
US9781316B2 (en) * 2015-12-14 2017-10-03 Htc Corporation Multi-focal length range image capturing device
US10295817B2 (en) 2016-06-01 2019-05-21 General Electric Company Stereo imaging system
US11307430B2 (en) * 2016-06-07 2022-04-19 Karl Storz Se & Co. Kg Optical device and method for providing improved depth of field and resolution modes
KR20180043072A (en) * 2016-10-19 2018-04-27 삼성전자주식회사 Lens unit and see-through type display apparatus including the same
US10153838B1 (en) * 2016-12-28 2018-12-11 Facebook, Inc. Quad tracker with birefringent optics
US12201272B2 (en) * 2019-03-25 2025-01-21 Karl Storz Imaging, Inc. Imaging apparatus and video endoscope providing improved depth of field and resolution
CN110221456B (en) * 2019-06-06 2022-01-18 京东方科技集团股份有限公司 Polarization imaging device and method thereof
CN113624644B (en) * 2020-05-08 2024-06-07 深圳迈瑞生物医疗电子股份有限公司 Optical detection system and blood cell analyzer

Citations (4)

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US4015221A (en) * 1975-01-22 1977-03-29 Crosfield Electronics Limited Preparation of gravure printing surfaces
US20060170901A1 (en) * 2004-02-06 2006-08-03 Nikon Corporation Polarization-modulating element, illumination optical apparatus, exposure apparatus, and exposure method
CN102073264A (en) * 2010-11-19 2011-05-25 中山大学 Time-sharing multiplexing computational holographic three-dimensional display system and display method thereof
EP2515100A1 (en) * 2011-04-18 2012-10-24 General Electric Company Inspection device and method of inspecting a target

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1552198A (en) * 1967-11-22 1969-01-03
JPH08136832A (en) * 1994-11-09 1996-05-31 Olympus Optical Co Ltd Autofocusing mechanism for endoscope
US5964696A (en) 1996-10-24 1999-10-12 Smith & Nephew, Inc. Stereoscopic imaging by alternately blocking light
JPH11164186A (en) 1997-11-27 1999-06-18 Fuji Photo Film Co Ltd Image recorder
US6624935B2 (en) 2000-12-06 2003-09-23 Karl Store Imaging, Inc. Single-axis stereoscopic video imaging system with centering capability
JP3873739B2 (en) 2001-12-18 2007-01-24 ソニー株式会社 A liquid crystal light amount adjusting device, a liquid crystal light amount adjusting device driving method, and a camera using the liquid crystal light amount adjusting device.
GB2403815A (en) * 2003-07-10 2005-01-12 Ocuity Ltd Birefringent lens array structure
JP2009020413A (en) 2007-07-13 2009-01-29 Mitsubishi Electric Corp Illuminating optical system and projection display apparatus using the same
US8363129B2 (en) 2008-06-27 2013-01-29 Kyocera Corporation Imaging device with aberration control and method therefor
US8502877B2 (en) 2008-08-28 2013-08-06 Kyocera Corporation Image pickup apparatus electronic device and image aberration control method
JP4743553B2 (en) 2008-09-29 2011-08-10 京セラ株式会社 Lens unit, imaging device, and electronic device
US7762466B2 (en) 2008-12-18 2010-07-27 Symbol Technologies, Inc. Two position zoom lens assembly for an imaging-based bar code reader
KR101658147B1 (en) 2009-12-30 2016-09-21 엘지디스플레이 주식회사 Liquid Crystal Lens Electrically driven and Stereoscopy Display Device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015221A (en) * 1975-01-22 1977-03-29 Crosfield Electronics Limited Preparation of gravure printing surfaces
US20060170901A1 (en) * 2004-02-06 2006-08-03 Nikon Corporation Polarization-modulating element, illumination optical apparatus, exposure apparatus, and exposure method
CN102073264A (en) * 2010-11-19 2011-05-25 中山大学 Time-sharing multiplexing computational holographic three-dimensional display system and display method thereof
EP2515100A1 (en) * 2011-04-18 2012-10-24 General Electric Company Inspection device and method of inspecting a target

Also Published As

Publication number Publication date
GB201216954D0 (en) 2012-11-07
US9069181B2 (en) 2015-06-30
CN103033942B (en) 2015-07-15
CN103033942A (en) 2013-04-10
CA2791275A1 (en) 2013-03-29
DE102012109278A1 (en) 2013-04-04
GB2495198A (en) 2013-04-03
US20130083386A1 (en) 2013-04-04

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160924